/* * Copyright 1999,2005 The Apache Software Foundation. *  * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at *  *      http://www.apache.org/licenses/LICENSE-2.0 *  * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package org.apache.xmlrpc;import java.io.BufferedInputStream;import java.io.IOException;import java.io.InputStream;import java.net.MalformedURLException;import java.net.URL;/** * Abstract Test class to be extended by the tests for each Transport. * Guarantees that transports implement a base contract expected by the * XmlRpcClient classes * * @author <a href="mailto:rhoegg@isisnetworks.net">Ryan Hoegg</a> * @version $Id: XmlRpcTransportTest.java,v 1.4 2005/04/22 10:26:17 hgomez Exp $ */abstract public class XmlRpcTransportTest    extends LocalServerRpcTest{    /**     * Constructor     */    public XmlRpcTransportTest(String testName)    {        super(testName);    }        /**     * This should return a new instance of the XmlRpcTransport being tested.     */    abstract protected XmlRpcTransport getTransport(URL url);        /**     * This test is to enforce that every alternate implementation of      * XmlRpcTransport provides a minimum of the same functionality as     * @link DefaultXmlRpcTransport.  We trust DefaultXmlRpcTransport     * because it is used by default in XmlRpcClient, which is tested     * in @link ClientServerRpcTest.     */    public void testSendXmlRpc() {                try {            setUpWebServer();            startWebServer();            URL testUrl = buildURL("localhost", SERVER_PORT);            XmlRpcTransport controlTransport = new DefaultXmlRpcTransport(testUrl);            XmlRpcTransport testTransport = getTransport(testUrl);            InputStream controlResponse = controlTransport.sendXmlRpc(RPC_REQUEST.getBytes());            InputStream testResponse = testTransport.sendXmlRpc(RPC_REQUEST.getBytes());            assertTrue(                "Response from XmlRpcTransport does not match that of DefaultXmlRpcTransport.",                equalsInputStream(controlResponse, testResponse));            stopWebServer();        }        catch (MalformedURLException e) {            e.printStackTrace();            fail(e.getMessage());        }        catch (IOException e) {            e.printStackTrace();            fail(e.getMessage());        }        catch (XmlRpcClientException e) {            e.printStackTrace();            fail(e.getMessage());        }    }        private URL buildURL(String hostname, int port) throws MalformedURLException {        return new URL("http://" + hostname + ':' + port + "/RPC2");    }        protected boolean equalsInputStream(InputStream is1, InputStream is2) throws IOException {        BufferedInputStream stream1 = new BufferedInputStream(is1);        BufferedInputStream stream2 = new BufferedInputStream(is2);        int char1 = is1.read();        int char2 = is2.read();        while ((char1 != -1) && (char2 != -1) && (char1 == char2)) {            char1 = is1.read();            char2 = is2.read();        }        return char1 == char2;    }}